Touareg V8-4.2L (BHX) (2004)
‹› Function test:
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With engine switched off, press brake pedal firmly several times (to deplete vacuum in tool).
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Press and hold the brake pedal with average foot pressure and start the engine. If brake booster is working properly, pedal will be felt to give
noticeably under foot (booster assistance becomes effective).
‹› Replace as a unit in the event of malfunction (previously, check all vacuum lines).
‹› Removing and installing, refer to --> [ Brake Booster ] See: Vacuum Brake Booster/Service and Repair/Brake Booster.
6
Seal
7
Brake booster membrane position sensor (G420)
‹› Removing and installing, refer to --> [ Brake Booster Membrane Position Sensor ] See: Vacuum Brake Booster Diaphragm Position
Sensor/Service and Repair.
‹› Discontinued from calendar week 48/06.
8
Snap ring
9
Seal
10
Self-locking nut, 25 Nm
‹› Always replace after removal.
11
Brake line, 14 Nm
‹› Brake master cylinder/primary piston circuit to hydraulic control unit.
‹› Identification at hydraulic unit - DK -.
12
Brake line, 14 Nm
‹› Brake master cylinder/secondary piston circuit to hydraulic unit.
‹› Identification at hydraulic unit - SK -.
13
Brake pressure sensor (G201)
‹› Removing and installing, refer to --> [ Brake Pressure Sensor 1 ] See: Hydraulic System/Brake Fluid Pressure Sensor/Switch/Service and
Repair.
‹› In the Electronic Stabilization Program (ESP) unit from calendar week 48/06.
14
Bracket
15
Brake line
‹› To left front brake caliper.
16
Brake master cylinder
‹› Cannot be serviced. Replace as a complete unit if malfunctioning.
‹› Removing and installing, refer to --> [ Brake Master Cylinder ] See: Hydraulic System/Brake Master Cylinder/Service and Repair/Brake
Master Cylinder.
17
Sealing plugs
‹› Lubricate with brake fluid and press into brake fluid reservoir.
18
Brake fluid reservoir